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參數(shù)資料
| 型號： | AD640JN |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | DC-Coupled Demodulating 120 MHz Logarithmic Amplifier |
| 中文描述： | LOG OR ANTILOG AMPLIFIER, 145 MHz BAND WIDTH, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 278K |
| 代理商： | AD640JN |
AC SPECIFICATIONS
Model
Parameter
AD640J
Min
AD640B
Min
AD640T
Max
Min
Conditions
Typ
Max
Typ
Typ
Max
Units
SIGNAL INPUTS (Pins 1, 20)
Input Capacitance
Noise Spectral Density
Tangential Sensitivity
Either Pin to COM
1 kHz to 10 MHz
BW = 100 MHz
2
2
–72
2
2
–72
2
2
–72
pF
nV/
√
Hz
dBm
3 dB BANDWIDTH
Each Stage
All Five Stages
LOGARITHMIC OUTPUTS
5
Slope Current, I
Y
f< = 1 MHz
f = 30 MHz
f = 60 MHz
f = 90 MHz
f = 120 MHz
Intercept, Dual AD640s
10, 11
f< = 1 MHz
f = 30 MHz
f = 60 MHz
f = 90 MHz
f = 120 MHz
350
145
350
145
350
145
MHz
MHz
Pins 1 & 20 to 10 & 11
0.96
0.88
0.82
1.0
0.94
0.90
0.88
0.85
1.04
1.00
0.98
0.98
0.91
0.86
1.0
0.94
0.90
0.88
0.85
1.02
0.97
0.94
0.98
0.91
0.86
1.0
0.94
0.90
0.88
0.85
1.02
0.97
0.94
mA
mA
mA
mA
mA
–90.6
–88.6
–87.6
–86.3
–83.9
–80.3
–86.6
–89.6
–88.6
–87.6
–86.3
–83.9
–80.3
–87.6
–89.6
–88.6
–87.6
–86.3
–83.9
–80.3
–87.6
dBm
dBm
dBm
dBm
dBm
AC LINEARITY
–40 dBm to –2 dBm
12
–35 dBm to –10 dBm
12
–75 dBm to 0 dBm
10
–70 dBm to –10 dBm
10
–75 dBm to +15 dBm
13
f = 1 MHz
f = 1 MHz
f = 1 MHz
f = 1 MHz
f = 10 kHz
0.5
0.25
0.75
0.5
0.5
2.0
1.0
3.0
2.0
3.0
0.5
0.25
0.75
0.5
0.5
1.0
0.5
1.5
1.0
1.5
0.5
0.25
0.75
0.5
0.5
1.0
0.5
1.5
1.0
1.5
dB
dB
dB
dB
dB
PACKAGE OPTION
20-Lead Ceramic DIP Package (D)
20-Terminal Ceramic LCC (E)
20-Lead Plastic DIP Package (N)
20-Lead Plastic Leaded Chip Carrier (P)
AD640BD
AD640BE
AD640TD
AD640TE
AD640]N
AD640JP
AD640BP
NUMBER OF TRANSISTORS
155
155
155
NOTES
Logarithms to base 10 are used throughout. The response is independent of the sign of V
.
2
Attenuation ratio trimmed to calibrate intercept to 10 mV when in use. It has a temperature coefficient of +0.30%/
°
C.
3
Overall gain is trimmed using a
±
200
μ
V square wave at 2 kHz, corrected for the onset of compression.
4
The fully limited signal output will appear to be a square wave; its amplitude is proportional to absolute temperature.
5
Currents defined as flowing
into
Pin 14. See FUNDAMENTALS OF LOGARITHMIC CONVERSION for full explanation of scaling concepts. Slope is measured
by linear regression over central region of transfer function.
6
The logarithmic intercept in dBV (decibels relative to 1 V) is defined as 20 LOG
(V
/1 V).
7
The zero-signal current is a function of temperature unless internal temperature compensation (ITC) pin is grounded.
8
Operating in circuit of Figure 24 using
±
0.1% accurate values for R
LA
and R
LB.
Includes slope and nonlinearity errors. Input offset errors also included for
V
>3 mV dc, and over the full input range in ac applications.
9
Essentially independent of supply voltages.
10
Using the circuit of Figure 27, using cascaded AD640s and offset nulling. Input is sinusoidal, 0 dBm in 50
= 223 mV rms.
11
For a sinusoidal signal (see EFFECT OF WAVEFORM ON INTERCEPT). Pin 8 on second AD640 must be grounded to ensure temperature stability of intercept
for dual AD640 system.
12
Using the circuit of Figure 24, using single AD640 and offset nulling. Input is sinusoidal, 0 dBm in 50
= 223 mV rms.
13
Using the circuit of Figure 32, using cascaded AD640s and attenuator. Square wave input.
All min and max specifications are guaranteed, but only those in
boldface
are
100% tested on all production units. Results from those tests are used to calculate
outgoing quality levels.
Specifications subject to change without notice.
THERMAL CHARACTERISTICS
u
JC
(
8
C/W)
25
25
24
28
u
JA
(
8
C/W)
85
85
61
75
20-Lead Ceramic DIP Package (D-20)
20-Terminal Ceramic LCC (E-20A)
20-Lead Plastic DIP Package (N-20)
20-Lead Plastic Leaded Chip Carrier (P-20A)
AD640
REV. C
–3–
(V
S
=
6
5 V, T
A
= +25
8
C, unless otherwise noted)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD640JP | DC-Coupled Demodulating 120 MHz Logarithmic Amplifier |
| AD640T | DC-Coupled Demodulating 120 MHz Logarithmic Amplifier |
| AD640TD | DC-Coupled Demodulating 120 MHz Logarithmic Amplifier |
| AD640TE | DC-Coupled Demodulating 120 MHz Logarithmic Amplifier |
| AD640]N | DC-Coupled Demodulating 120 MHz Logarithmic Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD640JN | 制造商:Analog Devices 功能描述:SEMICONDUCTORSLINEAR |
| AD640JNZ | 功能描述:IC AMP LOG 2.3MA 20DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有關(guān)文件:TS1854A View All Specifications 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.25 V/µs 增益帶寬積:630kHz -3db帶寬:- 電流 - 輸入偏壓:16nA 電壓 - 輸入偏移:1000µV 電流 - 電源:162µA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 6 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SO 包裝:管件 |
| AD640JNZ | 制造商:Analog Devices 功能描述:Operational Amplifier (Op-Amp) IC |
| AD640JP | 功能描述:IC AMP LOG 2.3MA 20PLCC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有關(guān)文件:TS1854A View All Specifications 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.25 V/µs 增益帶寬積:630kHz -3db帶寬:- 電流 - 輸入偏壓:16nA 電壓 - 輸入偏移:1000µV 電流 - 電源:162µA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 6 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SO 包裝:管件 |
| AD640JP-REEL | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
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